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Changed timing of pulses #4

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Changed timing of pulses #4

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53faf79
Update LiquidCrystal.cpp
ajvdw May 24, 2016
ec31f82
Merge branch 'master' into patch-1
ajvdw Oct 29, 2022
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6 changes: 3 additions & 3 deletions src/LiquidCrystal.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -302,11 +302,11 @@ void LiquidCrystal::send(uint8_t value, uint8_t mode) {

void LiquidCrystal::pulseEnable(void) {
digitalWrite(_enable_pin, LOW);
delayMicroseconds(1);
delayMicroseconds(5);
digitalWrite(_enable_pin, HIGH);
delayMicroseconds(1); // enable pulse must be >450 ns
delayMicroseconds(5); // enable pulse must be >450ns
digitalWrite(_enable_pin, LOW);
delayMicroseconds(100); // commands need >37 us to settle
delayMicroseconds(90); // commands need > 37us to settle
}

void LiquidCrystal::write4bits(uint8_t value) {
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